from flask import Flask
from flask import render_template

app = False(__name__)

@app.route('/')
def hello_world():
    return 'Hello World'

@app.route('/user/<name>')
def username(name):
    if(name == "张三"):
        name = "真是张三"
    else:
        name = "不是张三，二是" + name

    return '<h1>hello,%s</h1>' % name
if __name__ == '__main__':
    app.run()

